{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "trigger": true, "arguments": ["patch", "time", "vulnerability", "vulnerable system", "common vulnerabilities and exposures", "vulnerable system version", "issues addressed", "patch number"]}, {"event_type": "ransom", "trigger": true, "arguments": ["tool", "price", "place", "attacker", "payment method", "time", "damage amount", "victim", "attack pattern"]}, {"event_type": "phishing", "trigger": true, "arguments": ["attacker", "place", "attack pattern", "victim", "tool", "trusted entity", "time"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerable system owner", "vulnerability", "supported platform", "vulnerable system", "time", "discoverer", "vulnerable system version"]}], "input": "( TNS ) -- SPRING HILL , Tenn. — The city was the victim of a recent cyber-attack , which caused its computer system to lock with a ransom of $ 250,000 ."}
{"patch vulnerability": [], "ransom": [{"trigger": "cyber-attack", "arguments": {"tool": "NAN", "price": "NAN", "place": "SPRING HILL , Tenn.", "attacker": "NAN", "payment method": "NAN", "time": "NAN", "damage amount": "NAN", "victim": "The city", "attack pattern": "NAN"}}], "phishing": [], "discover vulnerability": []}